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Definitions of histopathologic fibrosis scoring.
| Grades | Definition |
|---|---|
| 0 | No fibrosis (no fibroblasts and/or collagen fibers) |
| 1 | Slight fibrosis (few fibroblasts and/or collagen fibers) |
| 2 | Median fibrosis (more fibroblasts and/or collagen fibers) |
| 3 | Severe fibrosis (lots of fibroblasts and/or collagen fibers) |
